Taking a hot shower is our way of relaxing. Waters are heated with our heaters that take massive amounts of natural gas, oil, and electricity. However, a simple product called the EcoDrain is now created to prevent wasting energy. The EcoDrain is a heat exchange unit that will allow you to save from your water heater usage of up to 40 percent. This heat exchange unit is very easy to install with no moving parts and needs no maintenance at all. With the presence of the EcoDrain, people can now totally enjoy hot shower without worrying to spend a lot on energy.
Source: Inhabitat